java实现的3des加密算法，本算法是按照VC的算法实现的。本源代码只是用来学习3des，如果要完全实现微软的3des加密功能，还有许多工作去做。,3des encryption algorithm java implementation, this algorithm is implemented in accordance with VC algorithm. Origin code is only used to study 3des, if we are to achieve Micr